<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<style>
 #div001{
	 width:700px; height:200px; background-color:#F00; float:left}
	 #div002{
		 width:500px; height:500px; background-color:#03F; float:left}
		 #div003{
			 width:200px; height:500px; background-color:#FF0; float:left}
			 #father{
				 width:800px; }
</style>

<body>
<div id="father">
<div id="div001"></div>
<div id="div002"></div>
<div id="div003"></div>
</div>
</body>
</html>
